Kingstons KHX1333C9D3B1K2/8G is a kit of two 512M x 64-bit (4GB) DDR3-1333 CL9 SDRAM (Synchronous DRAM), 2 Rx 8 memory modules, based on sixteen 256M x 8-bit FBGA components per module. Total kit capacity is 8GB. The SPDs are programmed to JEDEC standard latency DDR3-1333 timing of 9-9-9 at 1.5V. Each 240-pin DIMM uses gold contact fingers.